Segment Reporting - Schedule of segment reporting information by segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	$ 24,383	$ 20,583	$ 18,406
Total segment adjusted EBITDA	1,074	381	(748)
Reconciling items:
Equity-based compensation	(326)	(262)	(249)
Interest expense	(48)	(27)	(45)
Interest income	178	53	9
Other expense, net	(19)	(7)	(12)
Income (loss) before income taxes	584	(93)	(1,542)
Operating Segments | Product Commerce
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	23,594	19,955	17,838
Total segment adjusted EBITDA	1,540	606	(361)
Operating Segments | Developing Offerings
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	789	628	568
Total segment adjusted EBITDA	(466)	(225)	(387)
Segment Reconciling Items
Reconciling items:
Depreciation and amortization	(275)	(231)	(201)
Equity-based compensation	(326)	(262)	(249)
Interest expense	(48)	(27)	(45)
Interest income	178	53	9
Other expense, net	(19)	(7)	(12)
Fulfillment center fire losses	$ 0	$ 0	$ (296)